find the value of 1²+2²+..…....+25²
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Please see the attached file for your answer ☺️
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hello friends..
Question:- find the value of 1²+2²+..…....+25²
Solution:-
we know that.
1²+2²+3²......+n² = n(n+1)(2n+1)/6
here..
1²+2²+3²......+25² = 25(25+1)(2×25+1)/6
= 25×26×51/6=25×13×17= 5525 answer
hence.
1²+2²..........+25²= 5525
## hope it helps##
Question:- find the value of 1²+2²+..…....+25²
Solution:-
we know that.
1²+2²+3²......+n² = n(n+1)(2n+1)/6
here..
1²+2²+3²......+25² = 25(25+1)(2×25+1)/6
= 25×26×51/6=25×13×17= 5525 answer
hence.
1²+2²..........+25²= 5525
## hope it helps##
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